| Porana. | CI. CONVOLVULACEZ. (C. B. Clarke.) 221 
Throughout Innra and Cxvrow, very common; rare in very damp regions.— ' 
Distr. The tropical and subtropical area of the globe. 
Perennial; annual branches numerous, wiry, often prostrate. Leaves 4-1 in., 
rarely 13 by } in., very variable; petiole 0-} in. Peduncles 4-1} in.; bracts small, 
linear, hairy, persistent; pedicels 0-4 in. Capsule 4-4 in., globose, 4-valved.—The 
commonest Indian form is the type with leaves 4—4 in., oblong or elliptic, moderately 
silky with white or fulvous hairs. Æ. linifolius (E. angustifolius, Rorb.), has linear 
leaves often 1 in. long. E. hirsutus, has thick leaves and is more or less densely 
hirsute with fulvous or rufescent hairs. 
ll. PORANA, Burm. 
Large climbers. Leaves petioled, ovate, entire. Cymes often in large 
panicles flowers purple steel-blue or white; bracts persistent. Sepals in 
ower small, narrow ; in fruit all or 3 much enlarged, scarious, nerved. Corolla 
campanulate or funnel-shaped, wide- or narrow-mouthed ; limb 5-plaited, sub- 
entire or lobed. Stamens subincluded, filaments filiform or shortly linear. 
Ovary 2-celled, 4-ovuled ; style long or short, entire with a simple or 2-lobed 
stigma, or 2-fid with capitate stigmas. Capsule globose oblong or obconic, 
membranous, indehiscent or 2-valved, l-seeded. Seed glabrous; cotyledons 
plaited.— Species 9, from India to N. Australia. 
* Flowers large, about an inch long. 
l. P. grandiflora, Wall. Cat. 1324, and in Roxb. Fl. Ind. ed. Carey & 
Wall. ii. 41; shoots minutely pubescent, leaves ovate deeply cordate acuminate, 
racemes minutely bracted, sepals all much enlarged in fruit, 3 more than the 
others lj by nearly 4 in. obtuse. Chois. Convolv. Or. 108, and in DC. Prodr. 
ix. 436; Kurz in Trimen Journ. Bot. 1873, 138. 
Temperate Neraz and Sixxm, alt. 5-8000 ft. ; Wallich, Griffith, J. D. H., &c. 
An extensive, rather slender, glabrous or pubescent climber. Leaves 5 by 23 in., 
young villous beneath, old glabrous or puberulous on both surfaces; petiole 3 in. 
eduncles 3-4 in.; racemes 2-3 in., 4-12-fld.; bracts } in., linear ; pedicels t in. 
Sepals à in., linear-oblong, puberulous. Corolla mauve; tube 2-1 in., linear; limb 
funnel-shaped, subentire, 12 in. diam., glabrous. Stamens and pistil 1-1 in., included 
in the small swollen base of the corolla-tube. Style linear, stigma subglobose. Cap- 
‘we Yin, subglobose, rather longer than broad; 3 larger fruiting sepals subpal- 
mately 7_9-nerved ; 2 smaller, 1 by 4 in. 
ur; P. stenoloba, Kurz in Trimen Journ. Bot. 1873, 136; nearly 
glabrous, leaves ovate slightly cordate caudate-acuminate, racemes long-bracted, 
Sepals all much enlarged in fruit, 3 more than the others 1 by à in. 
fre TEMPERATE Sixx, alt. 5-6000 ft.; on rocks by the Darjeeling road, not un- 
quent, Kurz, 
Nearly allied to P. grandi ly cordate, caudate, glabrous 
; . grandiflora, Leaves very shallowly cordate, 8 
M minutely hairy above. or. 1-14 in., ovate-lanceolate, or lanceolate caudate, 
n petioled ; bracteoles 2, minute. Corolla (dry) nearly as of P. grandiflora, but 
, Steel-blue,” Kurz § King. Capsule not ripe; 3 larger sepals in fruit membranous, 
shale 2 smaller similar, but 2 less.— This differs from P. grandiflora in D 
owly cordate leaves, the remarkable bracts, the colour of the flowers e 
pon ingly narrow fruit-sepals; but in Gen. Pl. ii. 876 it is considered con- 
Ifie, 
i, P+ spectabilis, Kurz in Trimen Journ. Bot. 1873, 136, and For. FI. 
"EE fulvous-tomentose, leaves subcordate ovate-oblong, racemes eub- 
P teate, 3 sepals greatly enlarged in fruit 1} by 3 in. 2 altogether suppressed. 
' SPéciosa, Benth. in Gen. Pl. ii. 876. 
